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QuickBooks: Void an invoice — request body — body Customer Memo

Void an invoice: request body, field body / CustomerMemo. Complete fields and constraints for contract 2026-10-20.

API reference · Contract 2026-10-20

SDK schema: Void an invoice — request body — body Customer Memo

FieldTypePresenceDescription and constraints
$objectRootAdditional keys: allowed
valuestringRequired within parentUser-entered message to the customer; this message is visible to the end user on their transactions.

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